public static async Task Test()
{
Task <int> task;
using (var resource = new DisposedAsync()) {
task = resource.GetDataAsync();
}
var ret = await task;
}
static void Main(string[] args)
{
var myClassBuild = AsyncConstructorClass.CreateInstanceAsync();
Console.WriteLine("before constructor");
Console.WriteLine(myClassBuild.Result.ToString());
DisposedAsync disposedAsync = new DisposedAsync();
AsyncContext.Run(() => Test());
Console.WriteLine("Hello World!");
}